Function SetLightningState

Descent3/weather.cpp:305–314

Sets the state of lightning to on or off, plus allows the setting of how often to check for lightning and the randomness at which lightning happens

// Sets the state of lightning to on or off, plus allows the setting of how often to check
// for lightning and the randomness at which lightning happens
void SetLightningState(int on, float interval_time, int randval) {
  if (on) {
    Weather.flags |= WEATHER_FLAGS_LIGHTNING;
    Weather.lightning_sequence = 0;
    Weather.lightning_rand_value = randval;
    Weather.lightning_interval_time = interval_time;
  } else {
    Weather.flags &= ~WEATHER_FLAGS_LIGHTNING;
  }
}